Michael Conforto had a two-run shot off of Ryan Weber in the second inning. Curtis Granderson had a single in the 7th that scored Kirk Nieuwenhuis and Kevin Plawecki. Michael Cuddyer also pinch hit for Kelly Johnson in the 7th and was hit by a pitch. Cuddyer had been out with a sore wrist and is expected to join the starting lineup on Monday.
Daniel Murphy hit a three-run shot in the ninth to tie up the score and send the game to extra innings. The Mets went on to score three in the 10th, two of which walked in by Edwin Jackson.
Bobby Parnell got the win; Jon Niese gave up eight hits over six innings, only gave up two runs and struck out three.
The Mets remain 9 1/2 games up on Washington and start a series with the Miami Marlins on Monday at Citi Field.